Yeah the CV issue has caused the entire meta to shift, without CVs to spot DDs it allowed them to start stealth firing and when they removed that DDs started to really use smoke which increased Radar use which then led to some of the imbalances now.
That and BBs became kings of the seas because there largest predator is almost nonexistent due to AA.

Its hard to organize 7 people normally, but make Clan Battles T10 and then make it limited times makes playing clan battles hard for small clans.
I still hate the format Wargaming uses, they should at least offer a T8 version of clan battles and extend the hours.